440868234 has 16 divisors (see below), whose sum is σ = 881985888. Its totient is φ = 146914512.

The previous prime is 440868221. The next prime is 440868251. The reversal of 440868234 is 432868044.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440868192 and 440868201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18969 + ... + 35235.

It is an arithmetic number, because the mean of its divisors is an integer number (55124118).

Almost surely, 2^440868234 is an apocalyptic number.

440868234 is an abundant number, since it is smaller than the sum of its proper divisors (441117654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440868234 is a wasteful number, since it uses less digits than its factorization.

440868234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20789.

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 440868234 is about 20996.8624799040. The cubic root of 440868234 is about 761.0904441524.

The spelling of 440868234 in words is "four hundred forty million, eight hundred sixty-eight thousand, two hundred thirty-four".